Service difficulty report · Trim System · Boeing 737990ER

Difficulty date
April 9, 2014
Submitted
April 11, 2014
Operation
Air carrier
Aircraft
N431AS
Make and model
Boeing 737990ER
Aircraft serial
43255
Aircraft time
1,903 hours, 650 cycles
Part
Trim System
Condition
Malfunctioned
Location
Speed
Stage of operation
NR
How discovered
9
Nature of condition
J
Precautionary procedure
O

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

SPEED TRIM FAIL LIGHT COME ON DURING RECALL. ACFT GROUNDED. COULD NOT DUPLICATE. DFCS SPEED/TRIM SURFACE TEST GRP 60, LIBRARY 32 FUNCTIONS NORMAL, IAW MM 22-11-00. NO FAULTS.